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Filtering by: Creator Jimenez, Carlos Decade 1980-1989

Studies on resistance of rice to Sogatodes oryzicola (Muir) and a parasitoid, Haplogonatopus sp., in Costa Rica

Creator:

Alvarez B., Francisco

Abstract:

Twenty-one rice cultivars were evaluated to determine the difference between populations of Sogatodes oryzicola (Muir) (Homoptera: Delphacidae) in Costa Rica and Colombia, Survival, mortality and population development of S. oryzicola on five selected cultivars was used to determine levels of plant resistance. The importance and potential of the parasitoid-predator Haplogonatopus...

Resource Type:

Masters Thesis

Full Text:

to Sefior Fernando Dobles, Sefior Julio Bolandi, Sefior Jorge Ledezma, Seilor Carlos C. Lepiz and
High resolution paleoclimatology from the varved sediments of the Gulf of California

Creator:

Baumgartner, Timothy Robert

Resource Type:

Dissertation